This is a high-quality, easy to use 40 pin ZIF socket that is 0.6" wide with gold-plated contacts. Compatible with 0.3" up to 0.6" wide ICs up to 40-pins. Makes for easy connecting or programming to many DIP ICs. High conductivity terminals create solid connections. Armature makes it easy to open and close socket.
Product pictures and description are of Sparkfun.com